Potassium

Definition

Potassium is a mineral that is crucial for normal cell function, including the regulation of fluid balance and nerve signals.

Scientific / Technical Definition

Potassium is an essential dietary mineral and electrolyte that plays a significant role in cellular and electrical functions in the body. It is vital for maintaining proper fluid balance, nerve signal transmission, muscle contractions, and overall cardiovascular health.

Benefits

• Helps regulate fluid balance
• Aids in nerve signaling
• Supports muscle contractions
• Contributes to heart health
• May help prevent hypertension

Examples

• Bananas
• Sweet potatoes
• Spinach
• Avocados
• Beans and legumes

Additional Information

• Importance: This nutrient is important for the maintenance of electrical gradients across cell membranes, which is necessary for proper muscle and nerve function.

Related Terms

• Electrolytes
• Sodium
• Magnesium
• Calcium
• Mineral balance

References

• Potassium: Fact Sheet for Health Professionals
• Effects of Potassium on Human Health